Assembly Structure for a Fan Case

ABSTRACT

An assembly structure for a fan case comprising a first fan case, a second fan case and a fixing rod, the first fan case comprises a first frame, at least one first cavity surrounded by the first frame and a first axial hole recessed into the first frame, the first cavity comprises a first opening and a second opening corresponded to the first opening. The second fan case comprises a second frame, at least one second cavity surrounded by the second frame and a second axial hole recessed into the second frame, the second cavity comprises a third opening and a fourth opening corresponded to the third opening. The fixing rod is penetrated through the first axial hole of the first fan case and the second axial hole of the second fan case, and the fixing rod has an exposed-end portion which is protruded from the first fan case.

FIELD OF THE INVENTION

The present invention is generally relating to a fan case, more particularly to an assembly structure having a fixing rod for a fan case, the fan case is rotatable by applying the fixing rod as a rotation axis thereby changing air inlet/outlet directions.

BACKGROUND OF THE INVENTION

Referring to FIG. 7, a conventional fan case structure 10 comprises an outer frame 11 and an accommodating space 12 defined by the outer frame 11. The accommodating space 12 comprises a first opening 12 a and a second opening 12 b, wherein the first opening 12 a and the second opening 12 b are air inlet and air outlet of the fan case structure 10 separately. Due to the outer frame 11 merely utilizes the first opening 12 a and the second opening 12 b as main air inlet/outlet, the disposing position of the fan case structure 10 which needs heat-dissipation is limited and the fan case structure 10 may not achieve the best heat-dissipation efficiency.

SUMMARY

A primary object of the present invention is to provide an assembly structure for a fan case comprising a first fan case, a second fan case and a fixing rod, wherein the first fan case comprises a first frame, at least one first cavity surrounded by the first frame and a first axial hole recessed into the first frame, the first frame has a first inner surface, a first outer surface corresponded to the first inner surface and at least one first lateral tuyere penetrated through the first inner surface and the first outer surface, the first cavity comprises a first opening and a second opening corresponded to the first opening, and the first lateral tuyere is in communication with the first cavity. The second fan case comprises a second frame, at least one second cavity surrounded by the second frame and a second axial hole recessed into the second frame, the second frame has a second inner surface, a second outer surface corresponded to the second inner surface and at least one second lateral tuyere penetrated through the second inner surface and the second outer surface, the second cavity comprises a third opening and a fourth opening corresponded to the third opening, and the second lateral tuyere is in communication with the second cavity. The fixing rod is penetrated through the first axial hole of the first fan case and the second axial hole of the second fan case to enable the first fan case and the second fan case to be rotatable by using the fixing rod as a rotation axis, and the fixing rod has at least one exposed-end portion which is at least protruded from the first fan case. When the assembly structure for a fan case is disposed at the apparatus, the first fan case and the second fan case are able to rotate and air inlet/outlet directions of the first fan case and the second fan case can be changed by the fixing rod as a rotation axis according to different heat-dissipation environments. Besides, the fixing rod is penetrated through the first axial hole of the first fan case and the second axial hole of the second fan case, so that the disposing angle of the first fan case and the second fan case can be adjusted to situate at the heat source of the apparatus thereby achieving the best heat-dissipated efficiency.

DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective exploded view illustrating an assembly structure for a fan case in accordance with one embodiment of the present invention.

FIG. 2 is a perspective view illustrating the assembly structure for a fan case in accordance with one embodiment of the present invention.

FIG. 3 is a diagram illustrating the assembly structure for a fan case disposed at an apparatus in accordance with one embodiment of the present invention.

FIG. 4 is a diagram illustrating the assembly structure for a fan case disposed in another direction at an apparatus in accordance with one embodiment of the present invention.

FIG. 5 is a diagram illustrating a first fan case and a second fan case of the assembly structure for a fan case in accordance with an embodiment of the present invention.

FIG. 6 is another perspective exploded view illustrating the assembly structure for a fan case in accordance with another embodiment of the present invention.

FIG. 7 is a diagram illustrating a conventional fan case structure.

DETAILED DESCRIPTION OF THE INVENTION

Referring to FIGS. 1 and 2, in accordance with one embodiment of the present invention, an assembly structure for a fan case 100 comprises a first fan case 110, a second fan case 120 and a fixing rod 130, wherein the first fan case 110 comprises a first frame 111, at least one first cavity 112 surrounded by the first frame 111 and a first axial hole 113 recessed into the first frame 111, the first frame 111 has a first inner surface 111 a, a first outer surface 111 b corresponded to the first inner surface 111 a and at least one first lateral tuyere 111 c penetrated through the first inner surface 111 a and the first outer surface 111 b, the first cavity 112 comprises a first opening 112 a and a second opening 112 b corresponded to the first opening 112 a, and the first lateral tuyere 111 c is in communication with the first cavity 112. In this embodiment, the first frame 111 can be a square-shaped frame, the first frame 111 has a first lateral side 111 d, and the first axial hole 113 is located at the first lateral side 111 d. The second fan case 120 comprises a second frame 121, at least one second cavity 122 surrounded by the second frame 121 and a second axial hole 123 recessed into the second frame 121, the second frame 121 has a second inner surface 121 a, a second outer surface 121 b corresponded to the second inner surface 121 a and at least one second lateral tuyere 121 c penetrated through the second inner surface 121 a and the second outer surface 121 b, the second cavity 122 comprises a third opening 122 a and a fourth opening 122 b corresponded to the third opening 122 a, and the second lateral tuyere 121 c is in communication with the second cavity 122. In this embodiment, the second frame 121 can be a square-shaped frame, the second frame 121 has a second lateral side 121 d, and the second axial hole 123 is located at the second lateral side 121 d. The first axial hole 113 is corresponded to the second axial hole 123 to enable the fixing rod 130 to be inserted into the first axial hole 113 of the first fan case 110 and the second axial hole 123 of the second fan case 120 to combine with the first fan case 110 and the second fan case 120. The fixing rod 130 is penetrated through the first axial hole 113 of the first fan case 110 and the second axial hole 123 of the second fan case 120 to enable the first fan case 110 and the second fan case 120 to be rotatable by using the fixing rod 130 as a rotation axis, and the fixing rod 130 has at least one exposed-end portion 131 which is at least protruded from the first fan case 110 or the second fan case 120 to enable the fixing rod 130 to be fixed at an apparatus (not shown in Fig.).

Besides, with reference to FIG. 1 and FIG. 2, the first frame 111 comprises at least one first bearing 111 e disposed in the second opening 112 b, and the second frame 121 comprises at least one second bearing 121 e disposed in the fourth opening 122 b.

Next, with reference to FIG. 3 and FIG. 4, in this embodiment, the first lateral tuyere 111 c of the first frame 111 is in communication with the first cavity 112, the second lateral tuyere 121 c of the second frame 111 is in communication with the second cavity 122, the first cavity 112 comprises the first opening 112 a and the second opening 112 b, and the second cavity 122 comprises the third opening 122 a and the fourth opening 122 b. When the assembly structure for a fan case 100 is disposed at the apparatus M, the first fan case 110 and the second fan case 120 are able to rotate and air inlet/outlet directions of the first fan case 110 and the second fan case 120 can be changed by the fixing rod 130 as a rotation axis according to different heat-dissipation environments.

Referring to FIG. 3 again, when the assembly structure for a fan case 100 is disposed at the apparatus M, the first opening 112 a of the first fan case 110 and the third opening 122 a of the second fan case 120 face toward a ventilation window (not shown in Fig.) of the apparatus M. Therefore, the air flows from exterior of the apparatus M to the second opening 112 b and the first lateral tuyere 111 c of the first fan case 110, similarly, the air flows from exterior of the apparatus M to the fourth opening 122 b and the second lateral tuyere 121 c of the second fan case 120. Or, with reference to FIG. 4 again, if the first lateral tuyere 111 c of the first fan case 110 and the second lateral tuyere 121 c of the second fan case 120 have been blocked, the first opening 112 a and the second opening 112 b of the first fan case 110 and the third opening 122 a and the fourth opening 122 b of the second fan case 120 may be air inlet/outlet.

Referring to FIG. 5, the disposing angle of the first fan case 110 and the second fan case 120 of the assembly structure for a fan case 100 may be adjusted by the fixing rod 130, the first frame 111 and the second frame 121 may be rotated by using the fixing rod 130 as a rotation axis to change air inlet/outlet directions. In this embodiment, an angle is formed between the first frame 111 and the second frame 121 so that air inlet/outlet directions would change to achieve the best heat-dissipated efficiency. Preferably, the first lateral side 111 d of the first frame 111 comprises a first curved surface 111 f, and the second lateral side 121 d of the second frame 121 comprises a second curved surface 121 f. So the first fan case 110 and the second fan case 120 may adjust disposing angle to achieve the best heat-dissipation efficiency via the first curved surface 111 f and the second curved surface 121 f.

Additionally, with reference to FIG. 6, in another embodiment, at least one engaging slot 111 g is recessed into the first outer surface 111 b of the first frame 111, and at least one engaging member 121 g is protruded from the second outer surface 121 b of the second frame 121. In this embodiment, when the disposed angles of the first fan case 110 and the second fan case 120 are the same, the engaging member 121 g is inserted into the engaging slot 111 g to increase engagement strength for the first fan case 110 and the second fan case 120. The first frame 111 comprises a top surface 111 h in communication with the first inner surface 111 a and the first outer surface 111 b, at least one first engaging hole 111 i is formed on the top surface 111 h, and the first engaging hole 111 i is in communication with the engaging slot 111 g. Besides, at least one second engaging hole 121 h is formed on the engaging member 121 g, and the second engaging hole 121 h is corresponded and in communication with the first engaging hole 111 i. The assembly structure for a fan case 100 further comprises at least one fixing member 140 which is inserted into the first engaging hole 111 i and the second engaging hole 121 h to fix the first fan case 110 and the second fan case 120.

While this invention has been particularly illustrated and described in detail with respect to the preferred embodiments thereof, it will be clearly understood by those skilled in the art that is not limited to the specific features shown and described and various modified and changed in form and details may be made without departing from the spirit and scope of this invention. 

What is claimed is:
 1. An assembly structure for a fan case comprising: a first fan case comprising a first frame, at least one first cavity surrounded by the first frame and a first axial hole recessed into the first frame, the first frame has a first inner surface, a first outer surface corresponded to the first inner surface and at least one first lateral tuyere penetrated through the first inner surface and the first outer surface, the first cavity comprises a first opening and a second opening corresponded to the first opening, and the first lateral tuyere is in communication with the first cavity; a second fan case comprising a second frame, at least one second cavity surrounded by the second frame and a second axial hole recessed into the second frame, the second frame has a second inner surface, a second outer surface corresponded to the second inner surface and at least one second lateral tuyere penetrated through the second inner surface and the second outer surface, the second cavity comprises a third opening and a fourth opening corresponded to the third opening, and the second lateral tuyere is in communication with the second cavity; and a fixing rod penetrated through the first axial hole of the first fan case and the second axial hole of the second fan case, and the fixing rod has at least one exposed-end portion which is at least protruded from the first fan case.
 2. The assembly structure for a fan case in accordance with claim 1, wherein the first frame and the second frame can be square-shaped frames, the first frame has a first lateral side, the second frame has a second lateral side, the first axial hole is located at the first lateral side, the second axial hole is located at the second lateral side, and the first axial hole is corresponded to the second axial hole.
 3. The assembly structure for a fan case in accordance with claim 2, wherein the first lateral side comprises a first curved surface, and the second lateral side comprises a second curved surface.
 4. The assembly structure for a fan case in accordance with claim 1, wherein at least one engaging slot is recessed into the first outer surface, at least one engaging member is protruded from the second outer surface, and the engaging member is inserted into the engaging slot.
 5. The assembly structure for a fan case in accordance with claim 4, wherein the first frame comprises a top surface in communication with the first inner surface and the first outer surface, at least one first engaging hole is formed on the top surface and the first engaging hole is in communication with the engaging slot.
 6. The assembly structure for a fan case in accordance with claim 5, wherein at least one second engaging hole is formed on the engaging member and the second engaging hole is corresponded and in communication with the first engaging hole.
 7. The assembly structure for a fan case in accordance with claim 6 further comprises at least one fixing member which is inserted into the first engaging hole and the second engaging hole.
 8. Assembly structure for a fan case comprising: a fan case comprising a frame, at least one cavity surrounded by the frame and an axial hole recessed into the frame, the frame has an inner surface, an outer surface corresponded to the inner surface and at least one lateral tuyere penetrated through the inner surface and the outer surface, the cavity comprises a first opening and a second opening corresponded to the first opening, and the lateral tuyere is in communication with the cavity; and a fixing rod disposed into the axial hole of the fan case, and the fixing rod has at least one exposed-end portion which is protruded from the fan case.
 9. The assembly structure for a fan case in accordance with claim 8, wherein the frame can be a square-shaped frame, the frame has a lateral side, and the axial hole is located at the lateral side.
 10. The assembly structure for a fan case in accordance with claim 9, wherein the lateral side comprises a curved surface. 